City size comparison

compared to

Los Angeles is about 17 times bigger than Boulder.

Boulder is approximately 70 sq km, while Los Angeles (including the city proper only) is approximately 1,215 sq km, making Los Angeles 1,645% larger than Boulder.
Tip: This to-scale comparison of Boulder vs. Los Angeles uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Los Angeles vs. Boulder

Flip Comparison · See true size
See Los Angeles on top of Boulder
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Cost of Living Comparison · 7 categories - 2026 data
Boulder is 3.5% cheaper than Los Angeles
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